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generate vectorgraphics for pen plotting from audio files

🔊 A Matlab application which makes the Audio Plot (Amplitude vs Time) and Fast Fourier Transform Plot (FFT) for a given sound file.

This is a demonstration to show how to calculate power spectra and power spectral densities in real time. We calculate power spectra directly using DFT (or FFT). There are many conventions for DFT. We use the convention is the paper “Analysis of Relationship between Continuous Time Fourier Transf... Read more

Draws audio waveforms

Plots Teensy Audio input and output values in a streaming graph

A Claude Code skill for designing SurveyCTO survey instruments. Built for development economists, research teams, and survey firms running fieldwork. Covers household rosters, plot modules, consumption recall, skip logic, constraints, audio audit, and more.

Eye detection-based fatigue driving alert with audio prompts and real-time online plotting

Python library to converts a line graph to sound and return an object that can be played in Jupyter notebook or Google Colab. Values are represented by pitches, and the timeline is represented by left and right pans. It was created to make data science fun for the visually impaired.

An AFrame component for plotting audio responsive points in 3D space

An FFT spectrum waterfall plot using Firefox Web Audio API